A fast fish with a huge impactMunich, Germany (SPX) Sep 27, 2013
Globalization is breaking down barriers - also for plants and animals on the lookout for new homes. Rivers are also changing, in particular through the introduction of non-native species, often brought in by passing ships. In the Danube River, scientists have been observing a fish species conquering a new habitat and creating a totally new ecosystem in the process.
Recent decades have seen ... read more

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